/**
 * Copyright 2016-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.inmorn.extspring.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class IOUtils {
	public static void copy(InputStream input, OutputStream output) throws IOException {
		copy(input, output, false);
	}

	public static void copy(InputStream input, OutputStream output, boolean isClose) throws IOException {
		int len = 0;
		byte[] buffer = new byte[8192];
		try {
			while ((len = input.read(buffer, 0, 8192)) != -1) {
				output.write(buffer, 0, len);
			}
			output.flush();
		} finally {
			if (isClose) {
				if (input != null) {
					try {
						input.close();
					} catch (IOException e) {
						//e.printStackTrace();
						//log.warn(e);
					}
				}
				if (output != null) {
					try {
						output.close();
					} catch (IOException e) {
						//e.printStackTrace();
						//log.warn(e);
					}
				}
			}
		}
	}
}
